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Cheap flights from Illinois to Southampton from £228

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/9. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SOU
16 Jul — 23 Jul1
1 adult

Cheap flight deals from Illinois to Southampton

Keep the following information in mind while searching for Illinois to Southampton flight deals. Data was last updated 11 July 2025.

Round-trip from

£567

One-way from

£228

Popular in

June

Cheapest in

February

Average price

£761
23/8-30/8
  • 23/8-30/8
  • 4 total stops
  • 35h 25m total
  • Illinois to Southampton
Search Deals
24/9
  • 24/9
  • 3 total stops
  • 43h 28m total
  • Illinois to Southampton
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (£111 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

Find flight deals from Illinois to Southampton

Cheapest flights from Illinois to Southampton
Explore the most affordable flight options available from Illinois to Southampton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.

Sat 23/819:25ORD - SOU
2 stops19h 35mMultiple Airlines
Sat 30/808:25SOU - ORD
2 stops15h 50mMultiple Airlines
Deal found 9/7£567
Mon 25/816:15ORD - SOU
1 stop10h 35mVirgin Atlantic
Mon 1/917:35SOU - ORD
1 stop26h 35mVirgin Atlantic
Deal found 11/7£582
Sun 10/816:15ORD - SOU
1 stop10h 30mDelta
Thu 21/809:20SOU - ORD
1 stop10h 50mDelta
Deal found 10/7£599
Mon 25/811:05ORD - SOU
2 stops15h 45mKLM
Mon 1/917:35SOU - ORD
1 stop26h 35mKLM
Deal found 11/7£600
Wed 1/1009:35MDW - SOU
2 stops17h 10mDelta
Wed 15/1009:20SOU - MDW
2 stops14h 47mDelta
Deal found 10/7£610
Sat 23/815:45ORD - SOU
1 stop10h 50mAer Lingus
Sat 30/809:40SOU - ORD
1 stop15h 20mAer Lingus
Deal found 9/7£670
Sat 23/819:17MDW - SOU
2 stops31h 28mMultiple Airlines
Sat 30/818:05SOU - MDW
2 stops33h 07mMultiple Airlines
Deal found 9/7£701
Mon 25/813:08MDW - SOU
2 stops13h 42mVirgin Atlantic
Mon 1/909:20SOU - MDW
2 stops15h 17mVirgin Atlantic
Deal found 11/7£774
Mon 25/813:08MDW - SOU
2 stops13h 42mKLM
Mon 1/909:20SOU - MDW
2 stops15h 17mKLM
Deal found 11/7£790

Cheapflights Fare Finder

Customise your flight search to find flights from Illinois to Southampton that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 11 July 2025.
Use the filters below to find and compare flights from Illinois to Southampton that are best for you.

Fly from

Illinois

Fly to

Southampton

Route

Depart

Return

Price

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Sat 23/8

19:25-21:00

2 stops19h 35m

Southampton Eastleigh

Sat 30/8

08:25-18:15

2 stops15h 50m

£567

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Mon 25/8

16:15-08:50

1 stop10h 35m

Southampton Eastleigh

Mon 1/9

17:35-14:10

1 stop26h 35m

£582

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Sun 10/8

16:15-08:45

1 stop10h 30m

Southampton Eastleigh

Fri 22/8

09:20-14:10

1 stop10h 50m

£599

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Mon 25/8

16:15-08:50

1 stop10h 35m

Southampton Eastleigh

Mon 1/9

17:35-14:10

1 stop26h 35m

£600

ChicagoSouthampton

MDW - SOU

MDWSOU

Chicago Midway

Wed 1/10

09:35-08:45

2 stops17h 10m

Southampton Eastleigh

Wed 15/10

09:20-18:07

2 stops14h 47m

£610

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Sat 23/8

15:45-08:35

1 stop10h 50m

Southampton Eastleigh

Sat 30/8

09:40-19:00

1 stop15h 20m

£670

ChicagoSouthampton

MDW - SOU

MDWSOU

Chicago Midway

Sat 23/8

19:17-08:45

2 stops31h 28m

Southampton Eastleigh

Sat 30/8

18:05-21:12

2 stops33h 07m

£701

ChicagoSouthampton

MDW - SOU

MDWSOU

Chicago Midway

Mon 25/8

13:08-08:50

2 stops13h 42m

Southampton Eastleigh

Mon 1/9

09:20-18:37

2 stops15h 17m

£774

ChicagoSouthampton

MDW - SOU

MDWSOU

Chicago Midway

Mon 25/8

13:08-08:50

2 stops13h 42m

Southampton Eastleigh

Mon 1/9

09:20-18:37

2 stops15h 17m

£790

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Wed 24/9

10:27-11:55

3 stops43h 28m

£228

Flights are sorted by cheapest return flights first.

Deals found on 9/7

Showing 1-10 of 16 results
1
2

Best time to book a flight from Illinois to Southampton

Have a flexible travel schedule? Discover the best time to fly to Southampton from Illinois with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Southampton

What is the cheapest month to book a flight from Illinois to Southampton?

Currently, September is the cheapest month in which you can book a flight from Illinois to Southampton (average of £203). Flying from Illinois to Southampton in November is currently the most expensive (average of £262). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Southampton

Get insights into the airlines that provide service to Southampton. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Southampton. Reviews last updated 11 July 2025.
See what other customers who have flown with Delta, KLM, andVirgin Atlantic from Illinois to Southampton have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,951 reviews
Check prices

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very Good
7,951 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,372 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Virgin Atlantic
7.4
Good
654 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Aer Lingus
7.1
Good
1,154 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Illinois to Southampton. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Southampton from Illinois?

    Most people fly into Southampton Eastleigh (SOU) if they book a flight to Southampton from Illinois. Eastleigh is conveniently located just 3.5 mi from Southampton’s city center.

  • What are the cheapest airlines to fly from Illinois to Southampton one-way?

    One-way options have recently been found by users for as low as £318 on Aer Lingus. Other airlines that offer cheap prices include Virgin Atlantic from £355 and KLM from £365 one-way.

  • Can I find deals for flights from Illinois to Southampton that include hotel bookings?

    Yes. In addition to deals on Illinois to Southampton flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Southampton?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Southampton.

  • Can I find deals for business class flights from Illinois to Southampton?

    Yes. Cheapflights offers flight deals from Illinois to Southampton by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Illinois to Southampton?

    Currently, September is the cheapest month in which you can book a flight from Illinois to Southampton (average of £203). Flying from Illinois to Southampton in November is currently the most expensive (average of £262). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Can Cheapflights find flights from Illinois to Southampton with no change fees?

Need flexible booking options for your flight to Southampton from Illinois? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Illinois to Southampton become cheaper?

Yes, Cheapflights offers price alerts on Illinois to Southampton flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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